90637-991 — NUT,PLAIN,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

90637-991: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-241-9183, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

90637-991

NSN: 5310-01-241-9183
FSC: 5310 — Nuts and Washers
CAGE: 0BAT5 — U.S. DEFENSE SERVICES, INC. DBA USDS (USA)

SPECIFICATIONS

Part Number	90637-991
NSN	5310-01-241-9183

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 4

011158Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2126 2032-112Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

HE011158Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

M6M4FZB8Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 90637-991?

90637-991 is a NUT,PLAIN,HEXAGON.

What parts can replace 90637-991?

There are 4 known substitutes for 90637-991: 011158, 2126 2032-112, HE011158 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 90637-991?

90637-991 is cataloged in the U.S. Government catalog under NSN 5310-01-241-9183. This indicates validated use in U.S. government and defense supply chains.

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90637-991 — NUT,PLAIN,HEXAGON

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